What does to/till/until the bitter end mean?

to/till/until the bitter end

詞頻

難度

標籤 CEFR-C2

idiom

If you do something to/till/until the bitter end, you keep going until it's completely done, even if it's hard.

I promised to stick with the project until the bitter end, no matter how tough it got.

我承諾無論多麼艱難，都會堅持完成這個專案直到最後。

堅持到底